Comment

Author: arnaud-lb

Zend/zend_ast.h

@@ -350,7 +350,9 @@ ZEND_API zend_result ZEND_FASTCALL zend_ast_evaluate(zval *result, zend_ast *ast
 ZEND_API zend_result ZEND_FASTCALL zend_ast_evaluate_ex(zval *result, zend_ast *ast, zend_class_entry *scope, bool *short_circuited_ptr, zend_ast_evaluate_ctx *ctx);
 ZEND_API zend_string *zend_ast_export(const char *prefix, zend_ast *ast, const char *suffix);
 
+/* Copies 'ast' to the heap, returns a refcounted AST reference */
 ZEND_API zend_ast_ref * ZEND_FASTCALL zend_ast_copy(zend_ast *ast);
+/* Duplicates 'ast' on the arena */
 ZEND_API zend_ast * ZEND_FASTCALL zend_ast_dup(zend_ast *ast);
 ZEND_API void ZEND_FASTCALL zend_ast_destroy(zend_ast *ast);
 ZEND_API void ZEND_FASTCALL zend_ast_ref_destroy(zend_ast_ref *ast);